Zotero - Zotero is a free, easy-to-use tool to help you collect, organize, cite, and share research.
TaxSlayer.com - Tax preparation software and proud sponsor of Dale Earnhardt, Jr.
JabRef - Graphical Java application for managing bibtex (. bib) databases.JabRef · JabRef Help · JabRef | Blog · OpenOffice/LibreOffice .
ProSeries - Try the #1 professional tax preparation software chosen by more than 62,000 pros. ProSeries helps you make a meaningful difference for clients and file returns fast.
Qiqqa - Qiqqa is a free research and reference management software. It can be used in many organizational projects from the academic to the personal to the business endeavor. Read more about Qiqqa.
TaxBrain - TaxBrain is a taxation filing software that enables users to calculate their taxes easily, and they can file them without any trouble.